Replace remaining fatal-style assertions in graph/db tests with direct testify/require helpers. This simplifies control flow and reduces indentation by using NoError, True/False, Equal, Len, Empty, and Nil assertions directly.
Replace remaining fatal-style assertions in graph/db tests with direct testify/require helpers. This simplifies control flow and reduces indentation by using NoError, True/False, Equal, Len, Empty, and Nil assertions directly.